CosRx The 6 Peptide Skin Booster has replaced everything in my skincare routine except tretinoin, moisturizer and sunscreen. Its so affordable. It has copper peptides, allentoin, niacinimide, skin barrier support, hyaluronic acid... best most underrated skincare all in 1 affordable product on the market. Its like a powerhouse essence. 100% Ally approved. #copperpeptides #honestskincarereviews #bestskincareproducts #affordableskincare #skinbarrierrepair @COSRX US